add support for reading password from secret/file (#22 )

* add support for reading password from secret/file Signed-off-by: mvadu <8618235+mvadu@users.noreply.github.com> * avoid trimming Signed-off-by: mvadu <8618235+mvadu@users.noreply.github.com>
added support to resolve rdns from adguard (#14 )
2022-02-12 09:46:45 +01:00 · 2021-09-09 07:25:02 +02:00 · 2021-09-09 07:21:41 +02:00 · 2021-04-04 13:07:25 +02:00 · 2021-03-16 23:09:57 +01:00 · 2021-03-16 14:22:13 +01:00
14 changed files with 1191 additions and 411 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -0,0 +1,126 @@
+name: Build/Push (master)
+
+on:
+  push:
+    branches:
+      - 'master'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      go: ${{ steps.filter.outputs.go }}
+      charts: ${{ steps.filter.outputs.charts }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - uses: dorny/paths-filter@v2
+        id: filter
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          filters: |
+            go:
+              - '**/*.go'
+              - 'go.mod'
+              - 'go.sum'
+
+  test:
+    runs-on: ubuntu-latest
+    needs: changes
+    if: |
+      (needs.changes.outputs.go == 'true')
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - uses: actions/setup-go@v1
+        with:
+          go-version: 1.15
+
+      - name: Install go dependencies
+        run: go get -t -v ./...
+
+      - name: Run go tests
+        run: go test -v -cover -race ./...
+
+  build-docker:
+    runs-on: ubuntu-latest
+    needs: [changes,test]
+    if: |
+      (needs.changes.outputs.go == 'true')
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push docker image
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+          push: true
+          tags: ebrianne/adguard-exporter:latest
+
+  build:
+    runs-on: ubuntu-latest
+    needs: [changes,test]
+    if: |
+      (needs.changes.outputs.go == 'true')
+    strategy:
+      matrix:
+        include:
+          - os: linux
+            arch: 386
+          - os: linux
+            arch: amd64
+          - os: linux
+            arch: arm
+          - os: linux
+            arch: arm64
+          - os: darwin
+            arch: amd64
+          - os: freebsd
+            arch: 386
+          - os: freebsd
+            arch: amd64
+          - os: windows
+            arch: 386
+            extension: '.exe'
+          - os: windows
+            arch: amd64
+            extension: '.exe'
+ 
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+
+      - name: Download go dependencies
+        run: go get -t -v ./...
+
+      - name: Install the needed vendors
+        run: GO111MODULE=on go mod vendor
+
+      - name: Create release (${{ matrix.os }}-${{ matrix.arch }})
+        run: CGO_ENABLED=0 GOOS=${{ matrix.os }} GOARCH=${{ matrix.arch }} go build -a -ldflags '-s -w' -o adguard_exporter-${{ matrix.os }}-${{ matrix.arch }}${{ matrix.extension }} ./
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@ -0,0 +1,19 @@
+
+name: 'Stale issue handler'
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v3
+        with:
+          stale-issue-message: 'This issue has been automatically marked as stale after 30d because it has not had
+          recent activity. It will be closed in 5d if no further activity occurs. Thank you for your contributions.'
+          days-before-stale: 30
+          days-before-close: 5
+          stale-issue-label: 'stale'
+          exempt-issue-labels: 'pinned,security,block'
--- a/.github/workflows/tag.yml
+++ b/.github/workflows/tag.yml
@ -8,15 +8,49 @@ on:
 jobs:
  test:
    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        go_version: [ '1.12', '1.13', '1.14' ]
    steps:
-      - uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v2
+
      - uses: actions/setup-go@v2
        with:
-          go-version: ${{ matrix.go_version }}
+          go-version: 1.15
+
      - run: go get -t -v ./...
+      - run: go test -v -race ./...
+
+  build:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v1
+    
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Login to DockerHub
+      uses: docker/login-action@v1 
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Get the version
+      id: get_version
+      run: echo ::set-output name=TAG_NAME::${GITHUB_REF/refs\/tags\//}
+
+    - name: Build and push docker image
+      id: docker_build
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./Dockerfile
+        platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+        push: true
+        tags: ebrianne/adguard-exporter:${{ steps.get_version.outputs.TAG_NAME }}

  release:
    runs-on: ubuntu-latest
@ -47,9 +81,13 @@ jobs:
            arch: amd64
          - os: linux
            arch: arm
+          - os: linux
+            arch: arm64
          - os: darwin
+            arch: amd64
+          - os: freebsd
            arch: 386
-          - os: darwin
+          - os: freebsd
            arch: amd64
          - os: windows
            arch: 386
@ -58,20 +96,22 @@ jobs:
            arch: amd64
            extension: '.exe'
    steps:
-      - uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v2
+      
      - uses: actions/setup-go@v2
        with:
-          go-version: 1.14
+          go-version: 1.15

      - name: Download go dependencies
        run: go get -t -v ./...

-      - name: Install mitchellh/gox to create platform specific releases
-        run: go install github.com/mitchellh/gox
-
-      - name: Create release
-        run: gox -ldflags "-s -w" -os="${{ matrix.os }}" -arch="${{ matrix.arch }}" -output="adguard_exporter-{{.OS}}-{{.Arch}}"  -verbose ./...
+      - name: Install the needed vendors
+        run: GO111MODULE=on go mod vendor

+      - name: Create release (${{ matrix.os }}-${{ matrix.arch }})
+        run: CGO_ENABLED=0 GOOS=${{ matrix.os }} GOARCH=${{ matrix.arch }} go build -a -ldflags '-s -w' -o adguard_exporter-${{ matrix.os }}-${{ matrix.arch }}${{ matrix.extension }} ./
+      
      - name: Upload release assets
        id: upload-release-asset
        uses: actions/upload-release-asset@v1
--- a/.gitignore
+++ b/.gitignore
@ -2,3 +2,4 @@ vendor
 debug
 adguard_exporter
 .git/
+.env
--- a/18
+++ b/18
@ -0,0 +1,18 @@
+FROM golang:1.15-alpine3.12 as build
+ARG TARGETOS
+ARG TARGETARCH
+
+WORKDIR /tmp/adguard_exporter
+
+RUN apk --no-cache add git alpine-sdk
+COPY . .
+RUN GO111MODULE=on go mod vendor
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags '-s -w' -o adguard_exporter ./
+
+FROM scratch
+LABEL name="adguard-exporter"
+
+WORKDIR /root
+COPY --from=build /tmp/adguard_exporter/adguard_exporter adguard_exporter
+
+CMD ["./adguard_exporter"]
--- a/README.md
+++ b/README.md
@ -1,7 +1,9 @@
 # AdguardHome Prometheus Exporter

+![Build/Push (master)](https://github.com/ebrianne/adguard-exporter/workflows/Build/Push%20(master)/badge.svg?branch=master)
 [![GoDoc](https://godoc.org/github.com/ebrianne/adguard-exporter?status.png)](https://godoc.org/github.com/ebrianne/adguard-exporter)
 [![GoReportCard](https://goreportcard.com/badge/github.com/ebrianne/adguard-exporter)](https://goreportcard.com/report/github.com/ebrianne/adguard-exporter)
+![DockerPulls](https://img.shields.io/docker/pulls/ebrianne/adguard-exporter)

 This is a Prometheus exporter for [AdguardHome](https://github.com/AdguardTeam/AdguardHome)'s Raspberry PI ad blocker.
 It is based on the famous pihole-exporter [available here](https://github.com/eko/pihole-exporter/)
@ -22,17 +24,22 @@ You can download the latest version of the binary built for your architecture he

 * Architecture **i386** [
 [Darwin](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-darwin-386) /
+[FreeBSD](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-freebsd-386) /
 [Linux](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-linux-386) /
 [Windows](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-windows-386.exe)
 ]
 * Architecture **amd64** [
 [Darwin](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-darwin-amd64) /
+[FreeBSD](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-freebsd-amd64) /
 [Linux](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-linux-amd64) /
 [Windows](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-windows-amd64.exe)
 ]
 * Architecture **arm** [
 [Linux](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-linux-arm)
 ]
+* Architecture **arm64** [
+[Linux](https://github.com/ebrianne/adguard-exporter/releases/latest/download/adguard_exporter-linux-arm64)
+]

 ### From sources

@ -54,6 +61,108 @@ Then, build the binary (here, an example to run on Raspberry PI ARM architecture
 $ GOOS=linux GOARCH=arm GOARM=7 go build -o adguard_exporter .
 ```

+## Using Docker
+
+The exporter has been made available as a docker image. You can simply run it by the following command and pass the configuration with environment variables:
+
+```bash
+docker run \
+-e 'adguard_protocol=http' \
+-e 'adguard_hostname=192.168.10.252' \
+-e 'adguard_username=admin' \
+-e 'adguard_password=mypassword' \
+-e 'adguard_port=' \ #optional if adguard is not using port 80 (http)/443 (https)
+-e 'interval=10s' \
+-e 'log_limit=10000' \
+-e 'server_port=9617' \
+-p 9617:9617 \
+ebrianne/adguard-exporter:latest
+```
+
+If you prefer you can use an .env file where the environment variables are defined and using the command:
+
+```bash
+docker run --env-file=.env -p 9617:9617 \
+ebrianne/adguard-exporter:latest
+```
+
+You can also use docker-compose passing the environment file or using secrets locally
+### Local with environment file
+
+```yml
+version: "3.7"
+
+services:
+  adguard_exporter:
+    image: ebrianne/adguard-exporter:latest
+    restart: always
+    ports:
+      - "9617:9617"
+    env_file:
+      - .env
+```
+### Local with secret file (compose version 3 minimum)
+
+```yml
+version: "3.7"
+
+secrets: 
+  my-adguard-pass:
+    file: ./my-adguard-pass.txt
+
+services:
+  adguard_exporter:
+    image: ebrianne/adguard-exporter:latest
+    restart: always
+    secrets:
+      - my-adguard-pass
+    ports:
+      - "9617:9617"
+    environment:
+      - adguard_protocol=http
+      - adguard_hostname=192.168.10.252
+      - adguard_username=admin
+      - adguard_password=/run/secrets/my-adguard-pass
+      - adguard_port= #optional
+      - server_port=9617
+      - interval=10s
+      - log_limit=10000
+      - password_from_file=true
+```
+### Swarm mode (docker swarm init)
+
+```bash
+echo "mypassword" | docker secret create my-adguard-pass -
+```
+Here is an example of docker-compose file.
+
+```yml
+version: "3.7"
+
+secrets: 
+  my-adguard-pass:
+    external: true
+
+services:
+  adguard_exporter:
+    image: ebrianne/adguard-exporter:latest
+    restart: always
+    secrets:
+      - my-adguard-pass
+    ports:
+      - "9617:9617"
+    environment:
+      - adguard_protocol=http
+      - adguard_hostname=192.168.10.252
+      - adguard_username=admin
+      - adguard_password=/run/secrets/my-adguard-pass
+      - adguard_port= #optional
+      - server_port=9617
+      - interval=10s
+      - log_limit=10000
+      - password_from_file=true
+```
+
 ## Usage

 In order to run the exporter, type the following command (arguments are optional):
@ -118,6 +227,9 @@ scrape_configs:
 # Password defined on the Adguard interface
 -adguard_password string (optional)

+# Port to use to communicate with Adguard API
+-adguard_port string (optional)
+
 # Limit for the return log data
 -log_limit string (optional) (default "1000")

@ -141,3 +253,33 @@ scrape_configs:
 | adguard_query_types               | This represent the types of DNS queries                              |
 | running                           | Is Adguard running?                                                  |
 | protection_enabled                | Is the protection enabled?                                           |
+
+## Systemd file 
+
+### Ubuntu
+
+One can enable the program to work at startup by writing a systemd file. You can put this file in /etc/systemd/system/adguard-home.service
+
+```
+[Unit]
+Description=AdGuard-Exporter
+After=syslog.target network-online.target
+Requires=AdGuardHome.Service
+
+[Service]
+ExecStart=/opt/adguard_exporter/adguard_exporter-linux-arm -adguard_protocol http -adguard_hostname <hostname> -adguard_username <username> -adguard_password <password> -log_limit 5000
+Restart=on-failure
+RestartSec=10s
+
+[Install]
+WantedBy=multi-user.target
+```
+
+Then do this command to start the service:
+```
+$ sudo systemctl start adguard-home.service
+```
+To enable the service at startup:
+```
+$ sudo systemctl enable adguard-home.service
+```
--- a/config/configuration.go
+++ b/config/configuration.go
@ -3,7 +3,9 @@ package config
 import (
 	"context"
 	"fmt"
+	"io/ioutil"
 	"log"
+	"os"
 	"reflect"
 	"time"

@ -15,24 +17,30 @@ import (

 // Config is the exporter CLI configuration.
 type Config struct {
-	AdguardProtocol string        `config:"adguard_protocol"`
-	AdguardHostname string        `config:"adguard_hostname"`
-	AdguardUsername string        `config:"adguard_username"`
-	AdguardPassword string        `config:"adguard_password"`
-	ServerPort      string        `config:"server_port"`
-	Interval        time.Duration `config:"interval"`
-  LogLimit        string        `config:"log_limit"`
+	AdguardProtocol  string        `config:"adguard_protocol"`
+	AdguardHostname  string        `config:"adguard_hostname"`
+	AdguardUsername  string        `config:"adguard_username"`
+	AdguardPassword  string        `config:"adguard_password"`
+	AdguardPort      string        `config:"adguard_port"`
+	ServerPort       string        `config:"server_port"`
+	Interval         time.Duration `config:"interval"`
+	LogLimit         string        `config:"log_limit"`
+	RDnsEnabled      bool          `config:"rdns_enabled"`
+	PasswordFromFile bool          `config:"password_from_file"`
 }

 func getDefaultConfig() *Config {
 	return &Config{
-		AdguardProtocol: "http",
-		AdguardHostname: "127.0.0.1",
-		AdguardUsername: "",
-		AdguardPassword: "",
-		ServerPort:      "9617",
-		Interval:        10 * time.Second,
-    LogLimit:        "1000",
+		AdguardProtocol:  "http",
+		AdguardHostname:  "127.0.0.1",
+		AdguardUsername:  "",
+		AdguardPassword:  "",
+		AdguardPort:      "80",
+		ServerPort:       "9617",
+		Interval:         10 * time.Second,
+		LogLimit:         "1000",
+		RDnsEnabled:      true,
+		PasswordFromFile: false,
 	}
 }

@ -48,7 +56,31 @@ func Load() *Config {
 	cfg := getDefaultConfig()
 	err := loader.Load(context.Background(), cfg)
 	if err != nil {
-		panic(err)
+		log.Printf("Could not load the configuration...")
+		os.Exit(1)
+	}
+
+	//Set the adguard port based on the input configuration
+	if cfg.AdguardPort == "" {
+		if cfg.AdguardProtocol == "http" {
+			cfg.AdguardPort = "80"
+		} else if cfg.AdguardProtocol == "https" {
+			cfg.AdguardPort = "443"
+		} else {
+			log.Printf("protocol %s is invalid. Must be http or https.", cfg.AdguardProtocol)
+			os.Exit(1)
+		}
+	}
+
+	//Set the adguard password based on the input configuration
+	if cfg.PasswordFromFile {
+		secret, err := ioutil.ReadFile(cfg.AdguardPassword)
+		if err != nil {
+			log.Printf("unable to read AdguardPassword from %s due to %s", cfg.AdguardPassword, err)
+			os.Exit(1)
+		}
+
+		cfg.AdguardPassword = string(secret)
 	}

 	cfg.show()
--- a/go.mod
+++ b/go.mod
@ -1,10 +1,10 @@
 module github.com/ebrianne/adguard-exporter

-go 1.14
+go 1.15

 require (
 	github.com/heetch/confita v0.9.2
 	github.com/mitchellh/mapstructure v1.1.2
-	github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829
-	golang.org/x/net v0.0.0-20190620200207-3b0461eec859
+	github.com/prometheus/client_golang v1.9.0
+	golang.org/x/net v0.0.0-20200625001655-4c5254603344
 )
--- a/go.sum
+++ b/go.sum
@ -1,53 +1,127 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
+github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
+github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
+github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
+github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
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@ -68,6 +142,7 @@ github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdv
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@ -82,16 +157,35 @@ github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKe
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 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
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 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
--- a/grafana/dashboard.json
+++ b/grafana/dashboard.json
--- a/grafana/dashboard.png
+++ b/grafana/dashboard.png
--- a/internal/adguard/client.go
+++ b/internal/adguard/client.go
@ -6,9 +6,10 @@ import (
 	"fmt"
 	"io/ioutil"
 	"log"
+	"net"
 	"net/http"
-	"os"
 	"strconv"
+	"strings"
 	"time"

 	"github.com/ebrianne/adguard-exporter/internal/metrics"
@ -16,36 +17,35 @@ import (
 )

 var (
-	port               uint16
-	statusURLPattern   = "%s://%s:%d/control/status"
-	statsURLPattern    = "%s://%s:%d/control/stats"
-	logstatsURLPattern = "%s://%s:%d/control/querylog?limit=%s&response_status=\"all\""
-	m                  map[string]int
+	port                  uint16
+	statusURLPattern      = "%s://%s:%d/control/status"
+	statsURLPattern       = "%s://%s:%d/control/stats"
+	logstatsURLPattern    = "%s://%s:%d/control/querylog?limit=%s&response_status=\"all\""
+	resolveRDNSURLPattern = "%s://%s:%d/control/clients/find?%s"
+	m                     map[string]int
 )

 // Client struct is a AdGuard  client to request an instance of a AdGuard  ad blocker.
 type Client struct {
-	httpClient http.Client
-	interval   time.Duration
-	logLimit   string
-	protocol   string
-	hostname   string
-	port       uint16
-	username   string
-	password   string
+	httpClient  http.Client
+	interval    time.Duration
+	logLimit    string
+	protocol    string
+	hostname    string
+	port        uint16
+	username    string
+	password    string
+	rdnsenabled bool
 }

 // NewClient method initializes a new AdGuard  client.
-func NewClient(protocol, hostname string, username, password string, interval time.Duration, logLimit string) *Client {
-	if protocol != "http" && protocol != "https" {
-		log.Printf("protocol %s is invalid. Must be http or https.", protocol)
-		os.Exit(1)
-	}
+func NewClient(protocol, hostname, username, password, adport string, interval time.Duration, logLimit string, rdnsenabled bool) *Client {

-	port = 80
-	if protocol == "https" {
-		port = 443
+	temp, err := strconv.Atoi(adport)
+	if err != nil {
+		log.Fatal(err)
 	}
+	port = uint16(temp)

 	return &Client{
 		protocol: protocol,
@ -61,6 +61,7 @@ func NewClient(protocol, hostname string, username, password string, interval ti
 				return http.ErrUseLastResponse
 			},
 		},
+		rdnsenabled: rdnsenabled,
 	}
 }

@ -71,14 +72,14 @@ func (c *Client) Scrape() {

 		allstats := c.getStatistics()
 		//Set the metrics
-		c.setMetrics(allstats.status, allstats.stats, allstats.logStats)
+		c.setMetrics(allstats.status, allstats.stats, allstats.logStats, allstats.rdns)

 		log.Printf("New tick of statistics: %s", allstats.stats.ToString())
 	}
 }

 // Function to set the prometheus metrics
-func (c *Client) setMetrics(status *Status, stats *Stats, logstats *LogStats) {
+func (c *Client) setMetrics(status *Status, stats *Stats, logstats *LogStats, rdns map[string]string) {
 	//Status
 	var isRunning int = 0
 	if status.Running == true {
@ -114,7 +115,15 @@ func (c *Client) setMetrics(status *Status, stats *Stats, logstats *LogStats) {

 	for l := range stats.TopClients {
 		for source, value := range stats.TopClients[l] {
+			if c.rdnsenabled && isValidIp(source) {
+				hostName, exists := rdns[source]
+				if exists {
+					metrics.TopClients.WithLabelValues(c.hostname, hostName).Set(float64(value))
+					continue
+				}
+			}
 			metrics.TopClients.WithLabelValues(c.hostname, source).Set(float64(value))
+
 		}
 	}

@ -185,6 +194,34 @@ func (c *Client) getStatistics() *AllStats {
 	allstats.stats = &stats
 	allstats.logStats = &logstats

+	if c.rdnsenabled {
+		var sb strings.Builder
+		for l := range stats.TopClients {
+			for source, _ := range stats.TopClients[l] {
+				sb.WriteString(fmt.Sprintf("ip%d=%s", l, source))
+				if l < len(stats.TopClients)-1 {
+					sb.WriteString("&")
+				}
+			}
+		}
+		rdnsURL := fmt.Sprintf(resolveRDNSURLPattern, c.protocol, c.hostname, c.port, sb.String())
+		body = c.MakeRequest(rdnsURL)
+		var results []map[string]interface{}
+		err = json.Unmarshal(body, &results)
+		if err != nil {
+			log.Println("Unable to unmarshal Reverse DNS", err)
+		}
+
+		rdnsData := make(map[string]string)
+		for _, result := range results {
+			for key := range result {
+				data := result[key].(map[string]interface{})
+				rdnsData[key] = data["name"].(string)
+			}
+		}
+		allstats.rdns = rdnsData
+	}
+
 	return &allstats
 }

@ -194,7 +231,7 @@ func (c *Client) MakeRequest(url string) []byte {
 		log.Fatal("An error has occurred when creating HTTP statistics request", err)
 	}

-	req.Host = "adguard.home-lab.io"
+	req.Host = c.hostname
 	req.Header.Add("User-Agent", "Mozilla/5.0")

 	if c.isUsingPassword() {
@ -231,3 +268,11 @@ func GetTlsConfig() *tls.Config {
 		InsecureSkipVerify: true,
 	}
 }
+
+func isValidIp(ip string) bool {
+	if net.ParseIP(ip) == nil {
+		return false
+	} else {
+		return true
+	}
+}
--- a/internal/adguard/model.go
+++ b/internal/adguard/model.go
@ -7,6 +7,7 @@ type AllStats struct {
 	status   *Status
 	stats    *Stats
 	logStats *LogStats
+	rdns     map[string]string
 }

 // Status struct is the Adguard statistics JSON API corresponding model.
--- a/main.go
+++ b/main.go
@ -26,14 +26,14 @@ func main() {

 	metrics.Init()

-	initAdguardClient(conf.AdguardProtocol, conf.AdguardHostname, conf.AdguardUsername, conf.AdguardPassword, conf.Interval, conf.LogLimit)
+	initAdguardClient(conf.AdguardProtocol, conf.AdguardHostname, conf.AdguardUsername, conf.AdguardPassword, conf.AdguardPort, conf.Interval, conf.LogLimit, conf.RDnsEnabled)
 	initHttpServer(conf.ServerPort)

 	handleExitSignal()
 }

-func initAdguardClient(protocol, hostname string, username, password string, interval time.Duration, logLimit string) {
-	client := adguard.NewClient(protocol, hostname, username, password, interval, logLimit)
+func initAdguardClient(protocol, hostname, username, password, port string, interval time.Duration, logLimit string, rdnsenabled bool) {
+	client := adguard.NewClient(protocol, hostname, username, password, port, interval, logLimit, rdnsenabled)
 	go client.Scrape()
 }
Author	SHA1	Message	Date
Adarsha	23838bf07e	add support for reading password from secret/file (#22 ) * add support for reading password from secret/file Signed-off-by: mvadu <8618235+mvadu@users.noreply.github.com> * avoid trimming Signed-off-by: mvadu <8618235+mvadu@users.noreply.github.com>	2022-02-12 09:46:45 +01:00
Rahul Somasundaram	e75108942e	added support to resolve rdns from adguard (#14 )	2021-09-09 07:25:02 +02:00
Joshua Hemmings	07f558a92c	added missing docker-compose parameter (#10 ) Added `server_port=9617` to the docker compose. Otherwise it would not send data.	2021-09-09 07:21:41 +02:00
Eldwan Brianne	befbe3768c	Updating workflows	2021-04-04 13:07:25 +02:00
Eldwan Brianne	2f4a475055	Added docker pulls badge	2021-03-16 23:09:57 +01:00
Eldwan Brianne	f5030b5983	Fix error in stale action	2021-03-16 14:22:13 +01:00
Eldwan Brianne	6ad067afed	Changed stale bot to stale action	2021-03-16 14:18:23 +01:00
Eldwan Brianne	14079a5339	Reconfig stale bot	2021-02-22 16:16:42 +01:00
Eldwan Brianne	a906d993e7	Update README.md Fixed docker image name	2021-02-19 13:41:52 +01:00
Eldwan Brianne	7ec92c2036	Configure stale bot	2021-01-19 11:47:16 +01:00
Eldwan Brianne	a4ffbd5f1c	Adding configuration of adguard port (#5 ) * Added possibility to configure url adguard port	2021-01-11 18:34:09 +01:00
Eldwan Brianne	7571d78c9c	Bump go to 1.15	2020-12-22 18:32:19 +01:00
Eldwan Brianne	bb33a56ae3	Added link to arm64 binary in README	2020-12-22 17:10:37 +01:00
Eldwan Brianne	b591f09028	Added docker file Added docker-compose method and secrets Added master action and added arm64 build Added badge and updated workflows Removed gox in workflow, added upx Fixes conditional if in UPX workflow	2020-12-22 17:01:05 +01:00
Eldwan Brianne	7142f174e4	Merge pull request #3 from hadret/initial-freebsd-support Initial support for FreeBSD	2020-12-19 14:16:22 +01:00
Filip Chabik	e60e4b3fea	Initial support for FreeBSD	2020-12-19 10:14:22 +01:00
Eldwan Brianne	f2e38075c2	Updated README with systemd example	2020-12-09 13:14:14 +01:00
Eldwan Brianne	29216aecdc	Updated dashboard	2020-11-04 18:02:11 +01:00